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steffanie_0831 Group Title How can you write the expression with rationalized denominator? one year ago one year ago

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1. steffanie_0831 Group Title

|dw:1356759829919:dw|

2. geekwannabe Group Title

Multiply top and bottom for $\sqrt{3} - \sqrt{6}$

3. LogicalApple Group Title

This is normally accomplished by multiplying by conjugate/conjugate. The conjugate of a + b is a - b.

4. steffanie_0831 Group Title

|dw:1356759981331:dw| WHICH ONE?

5. LogicalApple Group Title

C is the correct choice

6. LogicalApple Group Title

Do you see why? When the multiplication is complete and everything is simplified, this is what you get.

7. steffanie_0831 Group Title

yeah. i think i get it now thanks